| package daemon |
| |
| import ( |
| "net" |
| |
| "github.com/docker/docker/opts" |
| flag "github.com/docker/docker/pkg/mflag" |
| "github.com/docker/docker/pkg/ulimit" |
| ) |
| |
| var ( |
| defaultPidFile = "/var/run/docker.pid" |
| defaultGraph = "/var/lib/docker" |
| defaultExec = "native" |
| ) |
| |
| // Config defines the configuration of a docker daemon. |
| // These are the configuration settings that you pass |
| // to the docker daemon when you launch it with say: `docker -d -e lxc` |
| type Config struct { |
| CommonConfig |
| |
| // Fields below here are platform specific. |
| |
| // Bridge holds bridge network specific configuration. |
| Bridge bridgeConfig |
| EnableSelinuxSupport bool |
| SocketGroup string |
| Ulimits map[string]*ulimit.Ulimit |
| } |
| |
| // bridgeConfig stores all the bridge driver specific |
| // configuration. |
| type bridgeConfig struct { |
| EnableIPv6 bool |
| EnableIPTables bool |
| EnableIPForward bool |
| EnableIPMasq bool |
| EnableUserlandProxy bool |
| DefaultIP net.IP |
| Iface string |
| IP string |
| FixedCIDR string |
| FixedCIDRv6 string |
| DefaultGatewayIPv4 net.IP |
| DefaultGatewayIPv6 net.IP |
| InterContainerCommunication bool |
| } |
| |
| // InstallFlags adds command-line options to the top-level flag parser for |
| // the current process. |
| // Subsequent calls to `flag.Parse` will populate config with values parsed |
| // from the command-line. |
| func (config *Config) InstallFlags() { |
| // First handle install flags which are consistent cross-platform |
| config.InstallCommonFlags() |
| |
| // Then platform-specific install flags |
| flag.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, "Enable selinux support") |
| flag.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", "Group for the unix socket") |
| config.Ulimits = make(map[string]*ulimit.Ulimit) |
| opts.UlimitMapVar(config.Ulimits, []string{"-default-ulimit"}, "Set default ulimits for containers") |
| flag.BoolVar(&config.Bridge.EnableIPTables, []string{"#iptables", "-iptables"}, true, "Enable addition of iptables rules") |
| flag.BoolVar(&config.Bridge.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward") |
| flag.BoolVar(&config.Bridge.EnableIPMasq, []string{"-ip-masq"}, true, "Enable IP masquerading") |
| flag.BoolVar(&config.Bridge.EnableIPv6, []string{"-ipv6"}, false, "Enable IPv6 networking") |
| flag.StringVar(&config.Bridge.IP, []string{"#bip", "-bip"}, "", "Specify network bridge IP") |
| flag.StringVar(&config.Bridge.Iface, []string{"b", "-bridge"}, "", "Attach containers to a network bridge") |
| flag.StringVar(&config.Bridge.FixedCIDR, []string{"-fixed-cidr"}, "", "IPv4 subnet for fixed IPs") |
| flag.StringVar(&config.Bridge.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", "IPv6 subnet for fixed IPs") |
| opts.IPVar(&config.Bridge.DefaultGatewayIPv4, []string{"-default-gateway"}, "", "Container default gateway IPv4 address") |
| opts.IPVar(&config.Bridge.DefaultGatewayIPv6, []string{"-default-gateway-v6"}, "", "Container default gateway IPv6 address") |
| flag.BoolVar(&config.Bridge.InterContainerCommunication, []string{"#icc", "-icc"}, true, "Enable inter-container communication") |
| opts.IPVar(&config.Bridge.DefaultIP, []string{"#ip", "-ip"}, "0.0.0.0", "Default IP when binding container ports") |
| flag.BoolVar(&config.Bridge.EnableUserlandProxy, []string{"-userland-proxy"}, true, "Use userland proxy for loopback traffic") |
| } |